87952317 has 4 divisors (see below), whose sum is σ = 117269760. Its totient is φ = 58634876.

The previous prime is 87952289. The next prime is 87952321. The reversal of 87952317 is 71325978.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87952317 - 2¹⁵ = 87919549 is a prime.

It is a super-2 number, since 2×87952317² = 15471220131336978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87952217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14658717 + ... + 14658722.

It is an arithmetic number, because the mean of its divisors is an integer number (29317440).

Almost surely, 2^87952317 is an apocalyptic number.

It is an amenable number.

87952317 is a deficient number, since it is larger than the sum of its proper divisors (29317443).

87952317 is a wasteful number, since it uses less digits than its factorization.

87952317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29317442.

The product of its digits is 105840, while the sum is 42.

The square root of 87952317 is about 9378.2896628330. The cubic root of 87952317 is about 444.7156656880.

The spelling of 87952317 in words is "eighty-seven million, nine hundred fifty-two thousand, three hundred seventeen".